Nilofer Azad, MD (IMAGE) ECOG-ACRIN Cancer Research Group Caption 'The confirmed overall response rate for nivolumab in tumors with DNA mismatch repair deficiencies was 36% -- or 15 of 42 patients with cancers other than colon.' Credit Johns Hopkins Kimmel Cancer Center Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.